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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.
Vulnerability Assessment Details
Mozilla Thunderbird: Multiple vulnerabilities
Detailed Explanation for this Vulnerability Assessment
The remote host is affected by the vulnerability described in GLSA-200503-32
(Mozilla Thunderbird: Multiple vulnerabilities)
The following vulnerabilities were found and fixed in Mozilla
Mark Dowd from ISS X-Force reported an
exploitable heap overrun in the GIF processing of obsolete Netscape
extension 2 (CVE-2005-0399)
Daniel de Wildt and Gael Delalleau
discovered a memory overwrite in a string library (CVE-2005-0255)
Wind Li discovered a possible heap overflow in UTF8 to Unicode
Phil Ringnalda reported a possible
way to spoof Install source with user:pass@host (CVE-2005-0590)
The GIF heap overflow could be triggered by a malicious GIF image
that would end up executing arbitrary code with the rights of the user
running Thunderbird. The other overflow issues, while not thought to be
exploitable, would have the same impact. Furthermore, by setting up
malicious websites and convincing users to follow untrusted links,
attackers may leverage the spoofing issue to trick user into installing
There is no known workaround at this time.
All Mozilla Thunderbird users should upgrade to the latest
# emerge --sync
# emerge --ask --oneshot --verbose ">=mail-client/mozilla-thunderbird-1.0.2"
All Mozilla Thunderbird binary users should upgrade to the
# emerge --sync
# emerge --ask --oneshot --verbose ">=mail-client/mozilla-thunderbird-bin-1.0.2"
Network Security Threat Level: Medium
Networks Security ID:
Vulnerability Assessment Copyright: (C) 2005 Michel Arboi
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